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Functionality
4.3 Time Synchronization
•NTP - Network Time Protocol.
CMC 850 operates as a client to an NTP server. The time obtained this way is, for example, used
for time stamping GOOSE messages.
•PTP - Precision Time Protocol.
CMC 850 operates as a PTP slave node (IEEE 1588-2008, V2). The time obtained this way is, for
example, used for time stamping GOOSE messages.
•IRIG-B
The CMIRIG-B interface unit is another option for synchronized testing with CMC test sets and the
Test Universe software. It serves as the “clearing house” for IRIG-B and PPS signals, regardless
whether they come from an external clock or from the CMC itself. CMIRIG-B facilitates time
synchronized triggering of test sequences or synchronizing Sampled Values to a PPS.
4.4 Web Interface
CMC 850’s embedded functions are accessible via a Web Interface. Any common Web browser can
be used to access CMC 850 and to make use of the embedded functions. The Web Interface menus
link to pages dedicated to the different functions.
For a more detailed description, launch the Web Interface
(→ page 17) and click Help.
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